PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21564086-5 2012 By contrast, morphine and closely related alkaloids can mediate efficacious MOR-effector coupling but poorly trigger receptor regulation. Alkaloids 42-51 opioid receptor mu 1 Homo sapiens 76-79 15567973-1 2004 BACKGROUND: We have identified a novel mu opiate receptor, p3, which is expressed in several human tissues, is selective for opiate alkaloids, insensitive to opioid peptides, and also is coupled to constitutive nitric oxide release. Alkaloids 132-141 opioid receptor mu 1 Homo sapiens 39-57 26524987-1 2008 Opioids can be classified according to their mode of synthesis into alkaloids, semi-synthetic and synthetic compounds.There are three classical receptors (DOP, KOP and MOP). Alkaloids 68-77 opioid receptor mu 1 Homo sapiens 168-171 32365707-1 2020 The mu opioid receptor (MOR) is the primary target for analgesia of endogenous opioid peptides, alkaloids, synthetic small molecules with diverse scaffolds, and peptidomimetics. Alkaloids 96-105 opioid receptor mu 1 Homo sapiens 4-22 32365707-1 2020 The mu opioid receptor (MOR) is the primary target for analgesia of endogenous opioid peptides, alkaloids, synthetic small molecules with diverse scaffolds, and peptidomimetics. Alkaloids 96-105 opioid receptor mu 1 Homo sapiens 24-27